package com.atguigu.gmall.mq.config;

import org.springframework.amqp.core.*;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;

/**
 * ClassName: DeadLetterMqConfig
 * Package: com.atguigu.gmall.mq.config
 * Description:
 *
 * @Author 刘轩
 * @Create 2023-09-04 20:50
 * @Version 1.0
 */

@Configuration // 起到初始化作用，在管控台中初始化
public class DeadLetterMqConfig {

 // 声明一些变量
 public static final String exchange_dead = "exchange.dead";
 public static final String routing_dead_1 = "routing.dead.1";
 public static final String routing_dead_2 = "routing.dead.2";
 public static final String queue_dead_1 = "queue.dead.1";
 public static final String queue_dead_2 = "queue.dead.2";

 //  创建交换机
 @Bean
 public DirectExchange deadExchange(){
  //  创建交换机
  return new DirectExchange(exchange_dead,true,false);
 }

 //  创建队列1
 @Bean
 public Queue deadQueue1(){
  //  创建map 集合
  HashMap<String, Object> map = new HashMap<>();
  //  设置过期时间 10s
  map.put("x-message-ttl",10000);
  //  指定交换机与队列
  map.put("x-dead-letter-exchange",exchange_dead);
  map.put("x-dead-letter-routing-key",routing_dead_2);
  //  返回队列
  return new Queue(queue_dead_1,true,false,false,map);
 }

 //  设置绑定1
 @Bean
 public Binding binding1(){
  //  设置绑定关系！
  return BindingBuilder.bind(deadQueue1()).to(deadExchange()).with(routing_dead_1);
 }


 //  创建队列2
 @Bean
 public Queue deadQueue2(){
  //  返回队列
  return new Queue(queue_dead_2,true,false,false);
 }

 //  设置绑定2
 @Bean
 public Binding binding2(){
  //  设置绑定关系！
  return BindingBuilder.bind(deadQueue2()).to(deadExchange()).with(routing_dead_2);
 }



}